The Swedish warship Vasa, which famously sank in 1628 less than…

The Swedish warship Vasa, which famously sank in 1628 less than a mile into its maiden voyage, was built asymmetrically. Archaeologists have found four rulers used by the workers Two turned out to be based on a Swedish foot system with 12 inches. The other two used an Amsterdam foot system with 11 inches.

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